#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
#include<cstdio>

using namespace std;

int main()
{
    double arr[100];
    for (int i = 0; i < 100; i++)
    {
        cin >> arr[i];
        if (arr[i] <= 10)
            printf("A[%d] = %.1lf\n", i, arr[i]);
    }
    return 0;
}
